• DocumentCode
    1112990
  • Title

    Are equiripple digital FIR filters always optimal with minimax error criterion?

  • Author

    Tseng, Ching-Yih ; Griffiths, Lloyd J.

  • Author_Institution
    Dept. of Electr. Eng. Syst., Univ. of Southern California, Los Angeles, CA, USA
  • Volume
    1
  • Issue
    1
  • fYear
    1994
  • Firstpage
    5
  • Lastpage
    8
  • Abstract
    For exact linear phase digital finite impulse response (FIR) filters, it is well known that a filter with equiripple error function must be optimal with the minimax (Chebyshev) error criterion. The present letter points out that such analogy is not true for FIR filters which approximate arbitrarily specified magnitude and phase responses.<>
  • Keywords
    Chebyshev approximation; delay circuits; digital filters; frequency response; minimax techniques; Chebyshev error criterion; equiripple digital FIR filters; equiripple error function; exact linear phase digital finite impulse response filters; magnitude and phase responses; minimax error criterion; optimal filters; phase responses; Approximation algorithms; Chebyshev approximation; Digital filters; Finite impulse response filter; Frequency response; Iterative algorithms; Linear programming; Minimax techniques; Nonlinear filters; Signal processing;
  • fLanguage
    English
  • Journal_Title
    Signal Processing Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1070-9908
  • Type

    jour

  • DOI
    10.1109/97.295312
  • Filename
    295312
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1112990